<s>
Weave	B-Device
is	O
a	O
network	O
application	B-Application
layer	I-Application
protocol	O
and	O
,	O
in	O
implementation	O
,	O
a	O
comprehensive	O
toolkit	O
for	O
building	O
connected	O
Internet	O
of	O
Things-class	O
applications	O
,	O
with	O
a	O
primary	O
and	O
current	O
focus	O
on	O
consumer	O
and	O
residential	O
applications	O
.	O
</s>
<s>
Weave	B-Device
works	O
across	O
multiple	O
IPv6-bearing	O
link	O
technologies	O
such	O
as	O
Ethernet	O
,	O
Wi-Fi	O
,	O
cellular	O
,	O
and	O
Thread	B-Protocol
and	O
has	O
adaptations	O
for	O
Bluetooth	B-General_Concept
Low	I-General_Concept
Energy	I-General_Concept
point-to-point	O
wireless	O
links	O
.	O
</s>
<s>
Weave	B-Device
was	O
originally	O
created	O
by	O
Nest	B-Application
Labs	I-Application
and	O
launched	O
in	O
and	O
with	O
its	O
Nest	B-Application
Protect	O
(	O
1st	O
Generation	O
)	O
product	O
in	O
2013	O
.	O
</s>
<s>
It	O
has	O
since	O
been	O
adopted	O
and	O
continued	O
by	O
Google	B-Application
following	O
the	B-Application
Google	I-Application
acquisition	O
of	O
Nest	B-Application
Labs	I-Application
in	O
2014	O
.	O
</s>
<s>
A	O
second	O
wave	O
of	O
architectural	O
revisions	O
were	O
made	O
to	O
Weave	B-Device
to	O
support	O
the	O
Nest	B-Application
Secure	O
security	O
system	O
,	O
the	O
Nest	B-Application
Connect	O
,	O
and	O
the	O
Nest	B-Application
x	O
Yale	O
Lock	O
.	O
</s>
<s>
Since	O
its	O
acquisition	O
of	O
Nest	B-Application
Labs	I-Application
,	O
Google	B-Application
has	O
planned	O
to	O
integrate	O
Weave	B-Device
with	O
its	O
own	O
Android	B-Device
Things	I-Device
embedded	O
operating	O
system	O
(	O
codenamed	O
Brillo	O
)	O
in	O
order	O
to	O
create	O
an	O
end-to-end	O
solution	O
for	O
IoT	B-Operating_System
devices	O
.	O
</s>
<s>
Google	B-Application
released	O
its	O
implementation	O
of	O
Weave	B-Device
as	O
an	O
open	O
source	O
project	O
,	O
OpenWeave	O
,	O
on	O
GitHub	B-Application
in	O
June	O
2017	O
under	O
the	O
Apache	B-Application
2.0	I-Application
license	I-Application
.	O
</s>
